We remember Grant Tinker, who died last month at 90. He founded MTM productions with his then-wife Mary Tyler Moore and produced her hit TV show. Later as chairman of NBC, Tinker oversaw the hit shows Cheers, Hill Street Blues and St. Elsewhere.
Secret life of the cat: The science of tracking our pets
They share our homes, sleep on our beds and occasionally bring unwanted gifts. Yet, despite our domestic cats playing a big role in our lives, we know surprisingly little about what they get up to. A research project by BBC2's Horizon and the Royal Veterinary College set out to find out more. Alan Wilson, a professor specialising in animal movement, describes what was involved.